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Accurate consideration of Sensor Parameters in the Calibration and Focusing of F-SAR Data

Jäger, Marc and Reigber, Andreas and Scheiber, Rolf (2012) Accurate consideration of Sensor Parameters in the Calibration and Focusing of F-SAR Data. In: Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR), pp. 20-23. VDE Verlag GmbH. European Conference on Synthetic Aperture Radar (EUSAR), 2012-04-23 - 2010-04-26, Aachen, Germany.

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The F-SAR sensor\cite{fsar}, developed and operated by the DLR-HR institute, is the successor to the well-known E-SAR system and provides very high resolution, fully polarimatric SAR data in multiple frequency bands in addition to several special purpose interferometric imaging modes. The high resolution/high bandwidth regime of operation places significant new demands on the SAR processor, both in terms of image formation and in terms of calibration. This paper describes several of the approaches developed to meet these challenges. As a common feature, they are all based on precision measurements of various sensor components, in particular the high resolution 3D antenna patterns and the precise platform attitude information, that allow the processor to effectively model the sensor as a whole and carry out necessary corrections in a systematic manner. The results presented pertain to sensor calibration, where new approaches more than double the radiometric and phase accuracy, as well as image quality for a number of F-SAR's operational frequency bands.

Document Type:Conference or Workshop Item (Speech)
Additional Information:Copyright 2012 IEEE.
Title:Accurate consideration of Sensor Parameters in the Calibration and Focusing of F-SAR Data
AuthorsInstitution or Email of Authors
Reigber, AndreasUNSPECIFIED
Date:24 April 2012
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR)
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 20-23
Publisher:VDE Verlag GmbH
Keywords:SAR, SAR Polarimetry, Sensor Calibration, SAR Processing
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Aachen, Germany
Event Type:international Conference
Event Dates:2012-04-23 - 2010-04-26
Organizer:VDE Verlag GmbH.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Flugzeug-SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Marc Jäger
Deposited On:19 Mar 2012 09:42
Last Modified:08 May 2014 23:22

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